I have been searching the web but I can't find any test to see if the browser I'm using is currently supporting HTTP/3 and if it is enabled. The websites I find are only for testing if websites support HTTP/3. Is there any website for testing if a browser supports HTTP/3?

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1 Answer

cloudflare-quic.com

Cloudflare offers a HTTP/3 test at cloudflare-quic.com. I had to reload the page for it to work.

This is what it looks like for me after a reload (with HTTP/3 supported):

quic.nginx.org

You can test if your browser supports HTTP/3 at quic.nginx.org which is hosted by NGINX. The test doesn't usually require a page reload.

This is what it looks like for me:

http3.is

You can also use http3.is by Fastly, but it might also require a page reload before it works.

This is what http3.is looks like for me (with HTTP/3 supported):

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